For a complete breakdown on the Drives with Data Testing please read this article. You will be able to perform this test at home with the files provided in the article - full instructions are included.

Brief Methodology

SSDs perform differently when used for a period of time and when data is already present on the drive. The purpose of the Drives with Data testing is to show how a drive performs in these 'dirty' states. SSDs also need time to recover, either with TRIM or onboard garbage collection methods.

In this set of tests we are looking at performance when the drive has data present at 25%, 50% and 75% full. The Silicon Power V20 slows as the drive is populated, but still very fast even when 75% full.

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